- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 1/04 - Arrangements for detecting or preventing errors in the information received by diversity reception using frequency diversity
Patent holdings for IPC class H04L 1/04
Total number of patents in this class: 287
10-year publication summary
|
32
|
22
|
36
|
31
|
30
|
34
|
22
|
12
|
9
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 76576 |
43 |
| LG Electronics Inc. | 69257 |
28 |
| Ericsson | 20417 |
9 |
| Huawei Technologies Co., Ltd. | 100781 |
9 |
| Sun Patent Trust | 1972 |
9 |
| Samsung Electronics Co., Ltd. | 131630 |
8 |
| Sony Corporation | 32931 |
8 |
| Applied Transform, LLC | 12 |
8 |
| Interdigital Patent Holdings, Inc. | 3652 |
7 |
| Optis Cellular Technology, LLC | 85 |
7 |
| T-Mobile USA, Inc. | 3668 |
7 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
7 |
| Coherent Logix, Incorporated | 179 |
6 |
| Nokia Technologies Oy | 15057 |
5 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
4 |
| iBiquity Digital Corporation | 267 |
4 |
| Apple Inc. | 50209 |
3 |
| Intel Corporation | 45621 |
3 |
| NTT DoCoMo, Inc. | 11501 |
3 |
| Battelle Energy Alliance, LLC | 569 |
3 |
| Other owners | 106 |